.sidebar-toggle{border-radius:50% !important;padding:4px 10px;top:-3px;position:relative;}.sidebar-modern{background:linear-gradient(180deg,#ffffff,#f7f9fc);color:#0f172a;width:340px;box-shadow:4px 0 18px rgba(0,0,0,0.18);transition:all 0.35s ease;max-height:calc(100vh - 85px);overflow:hidden;overflow-y:auto;z-index:2001;}.menu-title{font-size:0.75rem;letter-spacing:0.08em;font-weight:700;color:#64748b;padding:18px 20px 8px;text-transform:uppercase;}.sidebar-menu{list-style:none;padding:0;margin:0;}.sidebar-menu li a{display:flex;align-items:center;gap:14px;padding:14px 20px;border-radius:10px;color:#0f172a;font-weight:600;text-decoration:none;transition:all 0.25s ease;font-size:1.15rem;}.sidebar-menu i{width:22px;font-size:1.05rem;color:#475569;}.sidebar-menu li a:hover{background:rgba(59,130,246,0.08);transform:translateX(6px);}.sidebar-menu li a.active{background:rgba(59,130,246,0.15);color:#2563eb;}.sidebar-menu li a.active i{color:#2563eb;}.submenu{display:none;margin:6px 0 10px 30px;padding-left:5px;border-left:2px dashed rgba(148,163,184,0.4);}.submenu li a{font-size:1.031rem;padding:10px 14px;border-radius:6px;color:#334155;font-weight:600;}.submenu li a:hover{background:rgba(59,130,246,0.08);}.arrow{margin-left:auto;font-size:0.75rem;transition:transform 0.25s ease;}.arrow.rotate{transform:rotate(180deg);}.content-area{flex:1;margin-left:0;padding:2rem;transition:margin-left 0.35s ease;overflow-y:auto;max-height:calc(100vh - 90px);}@media (min-width:992px){.sidebar-modern{position:sticky;top:0;height:calc(100vh - 64px);}.sidebar-modern.collapsed{width:0px;padding:0px;}.sidebar-modern.collapsed + .content-area{margin-left:0px;}.content-area{margin-left:0px;}}@media (max-width:991px){.main-layout{display:block;}.sidebar-modern{position:fixed;top:47px;left:0;width:340px;height:100vh;transform:translateX(-100%);transition:transform 0.3s ease;box-shadow:2px 0 20px rgba(0,0,0,0.5);border-radius:0;}.sidebar-modern.active{transform:translateX(0);}.content-area{margin:0;padding:1rem;max-height:calc(100vh - 64px);overflow-y:auto;}#sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(242,239,239,0.4);z-index:2;}#sidebar-overlay.active{display:block;}}